Jayden has $20.56. He buys an apple for $0.79 and a granola bar for $1.78. How much money does Jayden have now? A $2.57

B
$17.99

C
$18.01

D
$23.13

What is the standard form of -5x^2+2x^4-11+x^3+3x

4. jake needs to score in the top 10% in order to earn a physical fitness certificate. the class mean is 78 and the standard deviation is 5.5. what raw score does he need? z value for top 10% =1.282 how do i get the z value? what is the equation for this? raw score =mean+z*sd = 78+1.282*5.5 = 85.051

Consider the quadratic equation ax^2 +bx+5=0 , where a,b, and c are rational numbers and the quadratic has two distinct zeros.if one zero is irrational , the other zero is